./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1aefec8ddab0c97dfdccb598d218efc3fd3f309 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 20:06:22,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 20:06:22,096 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 20:06:22,102 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 20:06:22,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 20:06:22,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 20:06:22,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 20:06:22,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 20:06:22,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 20:06:22,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 20:06:22,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 20:06:22,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 20:06:22,106 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 20:06:22,107 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 20:06:22,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 20:06:22,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 20:06:22,108 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 20:06:22,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 20:06:22,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 20:06:22,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 20:06:22,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 20:06:22,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 20:06:22,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 20:06:22,113 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 20:06:22,113 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 20:06:22,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 20:06:22,114 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 20:06:22,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 20:06:22,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 20:06:22,115 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 20:06:22,115 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 20:06:22,116 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 20:06:22,116 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 20:06:22,116 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 20:06:22,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 20:06:22,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 20:06:22,117 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 20:06:22,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 20:06:22,125 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 20:06:22,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 20:06:22,125 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 20:06:22,125 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 20:06:22,126 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 20:06:22,126 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 20:06:22,127 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 20:06:22,127 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 20:06:22,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 20:06:22,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 20:06:22,128 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 20:06:22,128 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 20:06:22,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 20:06:22,128 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1aefec8ddab0c97dfdccb598d218efc3fd3f309 [2018-12-01 20:06:22,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 20:06:22,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 20:06:22,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 20:06:22,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 20:06:22,158 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 20:06:22,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c [2018-12-01 20:06:22,203 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/data/3e61a05ba/3d80517a4430457980d2e771dc9e5c7b/FLAGd48575312 [2018-12-01 20:06:22,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 20:06:22,659 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/sv-benchmarks/c/eca-rers2012/Problem02_label07_true-unreach-call_false-termination.c [2018-12-01 20:06:22,666 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/data/3e61a05ba/3d80517a4430457980d2e771dc9e5c7b/FLAGd48575312 [2018-12-01 20:06:22,675 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/data/3e61a05ba/3d80517a4430457980d2e771dc9e5c7b [2018-12-01 20:06:22,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 20:06:22,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 20:06:22,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 20:06:22,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 20:06:22,680 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 20:06:22,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:22,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22, skipping insertion in model container [2018-12-01 20:06:22,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:22,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 20:06:22,709 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 20:06:22,875 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:06:22,878 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 20:06:22,968 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:06:22,978 INFO L195 MainTranslator]: Completed translation [2018-12-01 20:06:22,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22 WrapperNode [2018-12-01 20:06:22,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 20:06:22,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 20:06:22,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 20:06:22,979 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 20:06:22,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:22,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 20:06:23,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 20:06:23,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 20:06:23,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 20:06:23,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... [2018-12-01 20:06:23,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 20:06:23,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 20:06:23,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 20:06:23,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 20:06:23,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:06:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 20:06:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 20:06:23,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 20:06:24,075 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 20:06:24,075 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 20:06:24,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:06:24 BoogieIcfgContainer [2018-12-01 20:06:24,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 20:06:24,076 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 20:06:24,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 20:06:24,083 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 20:06:24,084 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:06:24" (1/1) ... [2018-12-01 20:06:24,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:06:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 20:06:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 20:06:24,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 20:06:24,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-01 20:06:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-01 20:06:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 20:06:24,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:25,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 241 states and 337 transitions. [2018-12-01 20:06:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2018-12-01 20:06:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 20:06:25,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 328 states and 430 transitions. [2018-12-01 20:06:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 430 transitions. [2018-12-01 20:06:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 20:06:25,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 338 states and 444 transitions. [2018-12-01 20:06:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 444 transitions. [2018-12-01 20:06:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 20:06:25,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:25,902 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:26,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 342 states and 451 transitions. [2018-12-01 20:06:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2018-12-01 20:06:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 20:06:26,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:06:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 351 states and 464 transitions. [2018-12-01 20:06:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2018-12-01 20:06:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 20:06:26,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 363 states and 477 transitions. [2018-12-01 20:06:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 477 transitions. [2018-12-01 20:06:26,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 20:06:26,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:06:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 367 states and 484 transitions. [2018-12-01 20:06:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 484 transitions. [2018-12-01 20:06:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 20:06:26,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:26,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:06:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 389 states and 510 transitions. [2018-12-01 20:06:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2018-12-01 20:06:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 20:06:26,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 20:06:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 396 states and 521 transitions. [2018-12-01 20:06:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 521 transitions. [2018-12-01 20:06:27,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 20:06:27,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:06:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 399 states and 524 transitions. [2018-12-01 20:06:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 524 transitions. [2018-12-01 20:06:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 20:06:27,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:06:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 403 states and 528 transitions. [2018-12-01 20:06:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 528 transitions. [2018-12-01 20:06:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 20:06:27,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,170 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 409 states and 534 transitions. [2018-12-01 20:06:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2018-12-01 20:06:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 20:06:27,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:06:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 417 states and 542 transitions. [2018-12-01 20:06:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 542 transitions. [2018-12-01 20:06:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 20:06:27,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:06:27,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 436 states and 565 transitions. [2018-12-01 20:06:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 565 transitions. [2018-12-01 20:06:27,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 20:06:27,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 463 states and 597 transitions. [2018-12-01 20:06:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 597 transitions. [2018-12-01 20:06:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 20:06:27,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:06:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 469 states and 603 transitions. [2018-12-01 20:06:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 603 transitions. [2018-12-01 20:06:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 20:06:27,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:06:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 507 states and 647 transitions. [2018-12-01 20:06:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 647 transitions. [2018-12-01 20:06:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 20:06:28,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:06:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 522 states and 664 transitions. [2018-12-01 20:06:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 664 transitions. [2018-12-01 20:06:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 20:06:28,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:06:28,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 528 states and 670 transitions. [2018-12-01 20:06:28,536 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 670 transitions. [2018-12-01 20:06:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 20:06:28,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 20:06:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 551 states and 698 transitions. [2018-12-01 20:06:28,899 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 698 transitions. [2018-12-01 20:06:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 20:06:28,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:29,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 573 states and 724 transitions. [2018-12-01 20:06:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 724 transitions. [2018-12-01 20:06:29,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 20:06:29,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:06:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 592 states and 744 transitions. [2018-12-01 20:06:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 744 transitions. [2018-12-01 20:06:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 20:06:29,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:29,288 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:06:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 598 states and 753 transitions. [2018-12-01 20:06:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 753 transitions. [2018-12-01 20:06:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 20:06:29,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:06:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:29,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 601 states and 756 transitions. [2018-12-01 20:06:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 756 transitions. [2018-12-01 20:06:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 20:06:29,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:29,886 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 634 states and 791 transitions. [2018-12-01 20:06:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 791 transitions. [2018-12-01 20:06:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 20:06:30,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 638 states and 796 transitions. [2018-12-01 20:06:30,051 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 796 transitions. [2018-12-01 20:06:30,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 20:06:30,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 667 states and 826 transitions. [2018-12-01 20:06:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 826 transitions. [2018-12-01 20:06:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 20:06:30,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 20:06:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 668 states and 828 transitions. [2018-12-01 20:06:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 828 transitions. [2018-12-01 20:06:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-01 20:06:30,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 20:06:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 678 states and 839 transitions. [2018-12-01 20:06:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 839 transitions. [2018-12-01 20:06:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-01 20:06:30,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:30,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:30,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 705 states and 868 transitions. [2018-12-01 20:06:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 868 transitions. [2018-12-01 20:06:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 20:06:30,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:06:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 721 states and 887 transitions. [2018-12-01 20:06:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 887 transitions. [2018-12-01 20:06:31,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 20:06:31,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 725 states and 896 transitions. [2018-12-01 20:06:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 896 transitions. [2018-12-01 20:06:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 20:06:31,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 20:06:32,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:32,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 765 states and 947 transitions. [2018-12-01 20:06:32,532 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 947 transitions. [2018-12-01 20:06:32,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:06:32,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 781 states and 964 transitions. [2018-12-01 20:06:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 964 transitions. [2018-12-01 20:06:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 20:06:32,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:06:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 782 states and 966 transitions. [2018-12-01 20:06:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 966 transitions. [2018-12-01 20:06:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 20:06:33,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 20:06:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 791 states and 976 transitions. [2018-12-01 20:06:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 976 transitions. [2018-12-01 20:06:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 20:06:33,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:33,261 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 20:06:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:33,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 810 states and 999 transitions. [2018-12-01 20:06:33,632 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 999 transitions. [2018-12-01 20:06:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 20:06:33,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:36,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 876 states and 1077 transitions. [2018-12-01 20:06:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1077 transitions. [2018-12-01 20:06:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 20:06:36,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 20:06:36,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:36,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 877 states and 1078 transitions. [2018-12-01 20:06:36,353 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1078 transitions. [2018-12-01 20:06:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 20:06:36,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 896 states and 1097 transitions. [2018-12-01 20:06:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1097 transitions. [2018-12-01 20:06:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 20:06:36,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 908 states and 1108 transitions. [2018-12-01 20:06:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1108 transitions. [2018-12-01 20:06:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 20:06:36,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 20:06:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 909 states and 1109 transitions. [2018-12-01 20:06:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1109 transitions. [2018-12-01 20:06:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 20:06:36,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:37,104 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 972 states and 1178 transitions. [2018-12-01 20:06:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1178 transitions. [2018-12-01 20:06:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 20:06:40,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 20:06:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:40,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 974 states and 1180 transitions. [2018-12-01 20:06:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1180 transitions. [2018-12-01 20:06:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 20:06:40,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1000 states and 1210 transitions. [2018-12-01 20:06:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1210 transitions. [2018-12-01 20:06:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 20:06:41,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 20:06:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1019 states and 1231 transitions. [2018-12-01 20:06:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1231 transitions. [2018-12-01 20:06:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 20:06:41,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:41,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1038 states and 1250 transitions. [2018-12-01 20:06:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1250 transitions. [2018-12-01 20:06:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 20:06:41,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-01 20:06:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1046 states and 1257 transitions. [2018-12-01 20:06:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1257 transitions. [2018-12-01 20:06:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 20:06:41,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1085 states and 1302 transitions. [2018-12-01 20:06:45,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1302 transitions. [2018-12-01 20:06:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 20:06:45,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 20:06:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1095 states and 1312 transitions. [2018-12-01 20:06:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1312 transitions. [2018-12-01 20:06:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 20:06:46,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:48,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:48,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1147 states and 1371 transitions. [2018-12-01 20:06:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1371 transitions. [2018-12-01 20:06:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 20:06:48,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1163 states and 1389 transitions. [2018-12-01 20:06:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1389 transitions. [2018-12-01 20:06:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 20:06:49,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:49,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1179 states and 1408 transitions. [2018-12-01 20:06:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1408 transitions. [2018-12-01 20:06:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 20:06:49,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:06:49,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1186 states and 1419 transitions. [2018-12-01 20:06:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1419 transitions. [2018-12-01 20:06:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 20:06:49,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 20:06:49,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:49,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1189 states and 1422 transitions. [2018-12-01 20:06:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1422 transitions. [2018-12-01 20:06:49,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 20:06:49,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1235 states and 1471 transitions. [2018-12-01 20:06:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1471 transitions. [2018-12-01 20:06:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 20:06:51,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-01 20:06:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1238 states and 1479 transitions. [2018-12-01 20:06:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1479 transitions. [2018-12-01 20:06:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 20:06:51,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:51,278 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:06:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1276 states and 1524 transitions. [2018-12-01 20:06:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1524 transitions. [2018-12-01 20:06:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 20:06:53,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:06:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1279 states and 1527 transitions. [2018-12-01 20:06:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1527 transitions. [2018-12-01 20:06:53,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 20:06:53,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 20:06:56,485 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-12-01 20:06:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1315 states and 1562 transitions. [2018-12-01 20:06:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1562 transitions. [2018-12-01 20:06:58,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 20:06:58,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:58,406 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:06:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:59,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1345 states and 1594 transitions. [2018-12-01 20:06:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1594 transitions. [2018-12-01 20:06:59,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 20:06:59,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 20:06:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1359 states and 1611 transitions. [2018-12-01 20:06:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1611 transitions. [2018-12-01 20:06:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 20:06:59,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 20:06:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1381 states and 1633 transitions. [2018-12-01 20:06:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1633 transitions. [2018-12-01 20:06:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 20:06:59,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 20:06:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:06:59,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1390 states and 1642 transitions. [2018-12-01 20:06:59,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1642 transitions. [2018-12-01 20:06:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-01 20:06:59,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:06:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:06:59,642 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 20:07:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1406 states and 1661 transitions. [2018-12-01 20:07:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1661 transitions. [2018-12-01 20:07:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-01 20:07:00,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 20:07:02,112 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 20:07:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1477 states and 1731 transitions. [2018-12-01 20:07:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1731 transitions. [2018-12-01 20:07:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-01 20:07:03,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 20:07:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1505 states and 1759 transitions. [2018-12-01 20:07:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1759 transitions. [2018-12-01 20:07:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 20:07:04,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:07:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1521 states and 1778 transitions. [2018-12-01 20:07:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1778 transitions. [2018-12-01 20:07:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 20:07:04,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:07:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1573 states and 1835 transitions. [2018-12-01 20:07:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1835 transitions. [2018-12-01 20:07:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 20:07:05,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:07:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1599 states and 1863 transitions. [2018-12-01 20:07:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1863 transitions. [2018-12-01 20:07:07,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 20:07:07,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 20:07:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1615 states and 1885 transitions. [2018-12-01 20:07:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1885 transitions. [2018-12-01 20:07:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 20:07:08,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:07:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:11,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1645 states and 1915 transitions. [2018-12-01 20:07:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1915 transitions. [2018-12-01 20:07:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 20:07:11,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:07:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1661 states and 1935 transitions. [2018-12-01 20:07:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1935 transitions. [2018-12-01 20:07:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-01 20:07:14,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:07:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1677 states and 1953 transitions. [2018-12-01 20:07:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1953 transitions. [2018-12-01 20:07:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 20:07:15,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:07:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1717 states and 1999 transitions. [2018-12-01 20:07:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 1999 transitions. [2018-12-01 20:07:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 20:07:16,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:07:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1733 states and 2015 transitions. [2018-12-01 20:07:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2015 transitions. [2018-12-01 20:07:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 20:07:16,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 20:07:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1747 states and 2029 transitions. [2018-12-01 20:07:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2029 transitions. [2018-12-01 20:07:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-01 20:07:17,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:07:18,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1807 states and 2095 transitions. [2018-12-01 20:07:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2095 transitions. [2018-12-01 20:07:18,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-01 20:07:18,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 20:07:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1859 states and 2151 transitions. [2018-12-01 20:07:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2151 transitions. [2018-12-01 20:07:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 20:07:19,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 20:07:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:20,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1889 states and 2181 transitions. [2018-12-01 20:07:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2181 transitions. [2018-12-01 20:07:20,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 20:07:20,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 20:07:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1903 states and 2195 transitions. [2018-12-01 20:07:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2195 transitions. [2018-12-01 20:07:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 20:07:21,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 20:07:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1920 states and 2219 transitions. [2018-12-01 20:07:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2219 transitions. [2018-12-01 20:07:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 20:07:21,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 120 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:07:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:23,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1953 states and 2254 transitions. [2018-12-01 20:07:23,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2254 transitions. [2018-12-01 20:07:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 20:07:23,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 20:07:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1954 states and 2256 transitions. [2018-12-01 20:07:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2256 transitions. [2018-12-01 20:07:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 20:07:25,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 20:07:26,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:26,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1964 states and 2266 transitions. [2018-12-01 20:07:26,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2266 transitions. [2018-12-01 20:07:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 20:07:26,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 20:07:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:27,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1978 states and 2281 transitions. [2018-12-01 20:07:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2281 transitions. [2018-12-01 20:07:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 20:07:27,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 20:07:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2037 states and 2341 transitions. [2018-12-01 20:07:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2341 transitions. [2018-12-01 20:07:27,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 20:07:27,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 20:07:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2053 states and 2359 transitions. [2018-12-01 20:07:28,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2359 transitions. [2018-12-01 20:07:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-01 20:07:28,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 20:07:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2059 states and 2369 transitions. [2018-12-01 20:07:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2369 transitions. [2018-12-01 20:07:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 20:07:28,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 20:07:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2060 states and 2370 transitions. [2018-12-01 20:07:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2370 transitions. [2018-12-01 20:07:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 20:07:28,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:28,876 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 20:07:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2099 states and 2416 transitions. [2018-12-01 20:07:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2416 transitions. [2018-12-01 20:07:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 20:07:31,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 20:07:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2115 states and 2432 transitions. [2018-12-01 20:07:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2432 transitions. [2018-12-01 20:07:31,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 20:07:31,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:32,008 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 20:07:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:32,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2129 states and 2446 transitions. [2018-12-01 20:07:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2446 transitions. [2018-12-01 20:07:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-01 20:07:32,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 20:07:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2138 states and 2457 transitions. [2018-12-01 20:07:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2457 transitions. [2018-12-01 20:07:33,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 20:07:33,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:07:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2177 states and 2504 transitions. [2018-12-01 20:07:37,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2504 transitions. [2018-12-01 20:07:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-01 20:07:37,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 20:07:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2193 states and 2519 transitions. [2018-12-01 20:07:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2519 transitions. [2018-12-01 20:07:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:07:38,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:07:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2197 states and 2523 transitions. [2018-12-01 20:07:38,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2523 transitions. [2018-12-01 20:07:38,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:07:38,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:07:39,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:39,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2216 states and 2547 transitions. [2018-12-01 20:07:39,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2547 transitions. [2018-12-01 20:07:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:07:39,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:39,084 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:07:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2230 states and 2560 transitions. [2018-12-01 20:07:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2560 transitions. [2018-12-01 20:07:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-01 20:07:39,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:07:39,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:39,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2246 states and 2575 transitions. [2018-12-01 20:07:39,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2575 transitions. [2018-12-01 20:07:39,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-01 20:07:39,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 123 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 20:07:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:40,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2261 states and 2593 transitions. [2018-12-01 20:07:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2593 transitions. [2018-12-01 20:07:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-01 20:07:40,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:40,089 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 20:07:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:40,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2267 states and 2600 transitions. [2018-12-01 20:07:40,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2600 transitions. [2018-12-01 20:07:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-01 20:07:40,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 149 proven. 13 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 20:07:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2273 states and 2607 transitions. [2018-12-01 20:07:40,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2607 transitions. [2018-12-01 20:07:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-01 20:07:40,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 20:07:43,544 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 20:07:45,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2300 states and 2636 transitions. [2018-12-01 20:07:45,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2636 transitions. [2018-12-01 20:07:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-01 20:07:45,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:07:48,943 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 18 [2018-12-01 20:07:49,248 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-01 20:07:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:07:52,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2351 states and 2688 transitions. [2018-12-01 20:07:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2688 transitions. [2018-12-01 20:07:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-01 20:07:52,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:07:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:07:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:08:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2402 states and 2738 transitions. [2018-12-01 20:08:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2738 transitions. [2018-12-01 20:08:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-01 20:08:00,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:00,951 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:08:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2464 states and 2799 transitions. [2018-12-01 20:08:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2799 transitions. [2018-12-01 20:08:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 20:08:07,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 20:08:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2480 states and 2817 transitions. [2018-12-01 20:08:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2817 transitions. [2018-12-01 20:08:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-01 20:08:07,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 20:08:08,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2484 states and 2820 transitions. [2018-12-01 20:08:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2820 transitions. [2018-12-01 20:08:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 20:08:08,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 20:08:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2514 states and 2855 transitions. [2018-12-01 20:08:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2855 transitions. [2018-12-01 20:08:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-01 20:08:09,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 20:08:09,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2526 states and 2866 transitions. [2018-12-01 20:08:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2866 transitions. [2018-12-01 20:08:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-01 20:08:09,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:09,573 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-01 20:08:09,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2529 states and 2869 transitions. [2018-12-01 20:08:09,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2869 transitions. [2018-12-01 20:08:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-01 20:08:09,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-01 20:08:10,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:10,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2530 states and 2869 transitions. [2018-12-01 20:08:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2869 transitions. [2018-12-01 20:08:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-01 20:08:10,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-01 20:08:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2531 states and 2869 transitions. [2018-12-01 20:08:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2869 transitions. [2018-12-01 20:08:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-01 20:08:10,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 20:08:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:10,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2543 states and 2881 transitions. [2018-12-01 20:08:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2881 transitions. [2018-12-01 20:08:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 20:08:10,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 20:08:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2591 states and 2935 transitions. [2018-12-01 20:08:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 2935 transitions. [2018-12-01 20:08:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-01 20:08:13,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:13,431 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 20:08:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2601 states and 2945 transitions. [2018-12-01 20:08:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2945 transitions. [2018-12-01 20:08:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-01 20:08:13,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 20:08:14,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2623 states and 2969 transitions. [2018-12-01 20:08:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 2969 transitions. [2018-12-01 20:08:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-01 20:08:14,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 20:08:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2646 states and 2991 transitions. [2018-12-01 20:08:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 2991 transitions. [2018-12-01 20:08:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-01 20:08:15,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 168 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 20:08:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2657 states and 3002 transitions. [2018-12-01 20:08:15,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3002 transitions. [2018-12-01 20:08:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-01 20:08:15,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:15,285 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 20:08:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 2679 states and 3026 transitions. [2018-12-01 20:08:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3026 transitions. [2018-12-01 20:08:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-01 20:08:15,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 20:08:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 2695 states and 3043 transitions. [2018-12-01 20:08:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3043 transitions. [2018-12-01 20:08:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-01 20:08:17,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 20:08:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 2711 states and 3058 transitions. [2018-12-01 20:08:17,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3058 transitions. [2018-12-01 20:08:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-01 20:08:17,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-01 20:08:17,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2713 states and 3059 transitions. [2018-12-01 20:08:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3059 transitions. [2018-12-01 20:08:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-01 20:08:17,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 20:08:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2751 states and 3106 transitions. [2018-12-01 20:08:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3106 transitions. [2018-12-01 20:08:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-01 20:08:24,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 20:08:28,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2783 states and 3139 transitions. [2018-12-01 20:08:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3139 transitions. [2018-12-01 20:08:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-01 20:08:28,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-01 20:08:28,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 2787 states and 3142 transitions. [2018-12-01 20:08:28,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3142 transitions. [2018-12-01 20:08:28,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-01 20:08:28,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:28,671 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-01 20:08:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2790 states and 3144 transitions. [2018-12-01 20:08:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3144 transitions. [2018-12-01 20:08:28,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 20:08:28,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 20:08:30,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 2814 states and 3172 transitions. [2018-12-01 20:08:30,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3172 transitions. [2018-12-01 20:08:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 20:08:30,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 20:08:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 2830 states and 3187 transitions. [2018-12-01 20:08:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3187 transitions. [2018-12-01 20:08:30,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 20:08:30,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 20:08:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2846 states and 3202 transitions. [2018-12-01 20:08:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3202 transitions. [2018-12-01 20:08:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 20:08:30,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 20:08:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:31,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 2860 states and 3215 transitions. [2018-12-01 20:08:31,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3215 transitions. [2018-12-01 20:08:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-01 20:08:31,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 20:08:31,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 2876 states and 3230 transitions. [2018-12-01 20:08:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3230 transitions. [2018-12-01 20:08:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 20:08:31,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:08:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:32,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2901 states and 3263 transitions. [2018-12-01 20:08:32,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3263 transitions. [2018-12-01 20:08:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 20:08:32,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:08:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2917 states and 3281 transitions. [2018-12-01 20:08:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3281 transitions. [2018-12-01 20:08:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-01 20:08:34,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:08:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2918 states and 3281 transitions. [2018-12-01 20:08:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3281 transitions. [2018-12-01 20:08:34,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 20:08:34,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 20:08:38,829 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-01 20:08:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 2980 states and 3345 transitions. [2018-12-01 20:08:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3345 transitions. [2018-12-01 20:08:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 20:08:43,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 20:08:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3022 states and 3385 transitions. [2018-12-01 20:08:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3385 transitions. [2018-12-01 20:08:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 20:08:53,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:08:53,991 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-01 20:08:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3084 states and 3450 transitions. [2018-12-01 20:08:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3450 transitions. [2018-12-01 20:08:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 20:08:57,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:08:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 3100 states and 3465 transitions. [2018-12-01 20:08:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 3100 states and 3465 transitions. [2018-12-01 20:08:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 20:08:58,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:58,542 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:08:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3114 states and 3478 transitions. [2018-12-01 20:08:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3478 transitions. [2018-12-01 20:08:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 20:08:59,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-01 20:09:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3130 states and 3496 transitions. [2018-12-01 20:09:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3496 transitions. [2018-12-01 20:09:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 20:09:00,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-01 20:09:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3131 states and 3497 transitions. [2018-12-01 20:09:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3497 transitions. [2018-12-01 20:09:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 20:09:01,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-01 20:09:01,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3134 states and 3501 transitions. [2018-12-01 20:09:01,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3501 transitions. [2018-12-01 20:09:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-01 20:09:01,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-01 20:09:02,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:02,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3135 states and 3501 transitions. [2018-12-01 20:09:02,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3501 transitions. [2018-12-01 20:09:02,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 20:09:02,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 20:09:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3153 states and 3520 transitions. [2018-12-01 20:09:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3520 transitions. [2018-12-01 20:09:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 20:09:02,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 20:09:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 3169 states and 3535 transitions. [2018-12-01 20:09:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 3535 transitions. [2018-12-01 20:09:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 20:09:03,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 20:09:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3185 states and 3551 transitions. [2018-12-01 20:09:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3551 transitions. [2018-12-01 20:09:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-01 20:09:04,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 20:09:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:04,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3199 states and 3564 transitions. [2018-12-01 20:09:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3564 transitions. [2018-12-01 20:09:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 20:09:04,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 20:09:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3203 states and 3567 transitions. [2018-12-01 20:09:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3567 transitions. [2018-12-01 20:09:04,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 20:09:04,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 20:09:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3207 states and 3570 transitions. [2018-12-01 20:09:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 3570 transitions. [2018-12-01 20:09:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 20:09:05,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 20:09:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3210 states and 3572 transitions. [2018-12-01 20:09:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 3572 transitions. [2018-12-01 20:09:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-01 20:09:05,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-01 20:09:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3217 states and 3578 transitions. [2018-12-01 20:09:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3578 transitions. [2018-12-01 20:09:05,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 20:09:05,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 20:09:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3227 states and 3590 transitions. [2018-12-01 20:09:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3590 transitions. [2018-12-01 20:09:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-01 20:09:06,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 282 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 20:09:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3247 states and 3619 transitions. [2018-12-01 20:09:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3619 transitions. [2018-12-01 20:09:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:09,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 20:09:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3252 states and 3623 transitions. [2018-12-01 20:09:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3623 transitions. [2018-12-01 20:09:10,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:10,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 20:09:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:10,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3315 states and 3689 transitions. [2018-12-01 20:09:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 3689 transitions. [2018-12-01 20:09:10,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:10,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 20:09:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3337 states and 3710 transitions. [2018-12-01 20:09:10,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3710 transitions. [2018-12-01 20:09:10,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:10,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3362 states and 3738 transitions. [2018-12-01 20:09:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 3738 transitions. [2018-12-01 20:09:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:16,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:16,377 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:19,527 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-01 20:09:22,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3412 states and 3789 transitions. [2018-12-01 20:09:22,293 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 3789 transitions. [2018-12-01 20:09:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:22,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3428 states and 3804 transitions. [2018-12-01 20:09:25,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 3804 transitions. [2018-12-01 20:09:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-01 20:09:25,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:25,307 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3460 states and 3835 transitions. [2018-12-01 20:09:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3835 transitions. [2018-12-01 20:09:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 20:09:27,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 20:09:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3491 states and 3865 transitions. [2018-12-01 20:09:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 3865 transitions. [2018-12-01 20:09:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 20:09:28,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 20:09:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3507 states and 3880 transitions. [2018-12-01 20:09:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3880 transitions. [2018-12-01 20:09:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-01 20:09:28,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-01 20:09:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3515 states and 3892 transitions. [2018-12-01 20:09:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 3892 transitions. [2018-12-01 20:09:29,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-01 20:09:29,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 20:09:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3547 states and 3929 transitions. [2018-12-01 20:09:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 3929 transitions. [2018-12-01 20:09:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-01 20:09:33,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 20:09:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3563 states and 3944 transitions. [2018-12-01 20:09:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 3944 transitions. [2018-12-01 20:09:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-12-01 20:09:34,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-01 20:09:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3579 states and 3959 transitions. [2018-12-01 20:09:34,684 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 3959 transitions. [2018-12-01 20:09:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 20:09:34,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 20:09:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 3618 states and 4004 transitions. [2018-12-01 20:09:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4004 transitions. [2018-12-01 20:09:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 20:09:44,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-12-01 20:09:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 3630 states and 4015 transitions. [2018-12-01 20:09:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4015 transitions. [2018-12-01 20:09:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 20:09:46,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:46,154 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4026 states to 3640 states and 4026 transitions. [2018-12-01 20:09:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4026 transitions. [2018-12-01 20:09:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 20:09:47,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 3660 states and 4049 transitions. [2018-12-01 20:09:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4049 transitions. [2018-12-01 20:09:52,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 20:09:52,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 3662 states and 4050 transitions. [2018-12-01 20:09:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 3662 states and 4050 transitions. [2018-12-01 20:09:52,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 20:09:52,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 3673 states and 4061 transitions. [2018-12-01 20:09:54,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4061 transitions. [2018-12-01 20:09:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-01 20:09:54,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:54,964 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 20:09:55,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 3677 states and 4065 transitions. [2018-12-01 20:09:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 4065 transitions. [2018-12-01 20:09:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-01 20:09:55,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 229 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-01 20:09:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 3693 states and 4081 transitions. [2018-12-01 20:09:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4081 transitions. [2018-12-01 20:09:56,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 20:09:56,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:56,696 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 20:09:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3733 states and 4124 transitions. [2018-12-01 20:09:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4124 transitions. [2018-12-01 20:09:57,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:09:57,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 20:09:59,196 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 20:10:00,561 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-12-01 20:10:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:01,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 3749 states and 4143 transitions. [2018-12-01 20:10:01,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3749 states and 4143 transitions. [2018-12-01 20:10:01,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:10:01,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 20:10:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 3811 states and 4208 transitions. [2018-12-01 20:10:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4208 transitions. [2018-12-01 20:10:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:10:03,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 20:10:04,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 3827 states and 4223 transitions. [2018-12-01 20:10:04,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 4223 transitions. [2018-12-01 20:10:04,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 20:10:04,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 20:10:04,927 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-12-01 20:10:08,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 3841 states and 4236 transitions. [2018-12-01 20:10:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4236 transitions. [2018-12-01 20:10:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-01 20:10:08,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 20:10:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 3846 states and 4240 transitions. [2018-12-01 20:10:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4240 transitions. [2018-12-01 20:10:08,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-01 20:10:08,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 20:10:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 3851 states and 4244 transitions. [2018-12-01 20:10:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 4244 transitions. [2018-12-01 20:10:10,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 20:10:10,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 20:10:14,495 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-01 20:10:16,241 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-01 20:10:18,417 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-01 20:10:20,333 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-01 20:10:25,313 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 20:10:27,178 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 20:10:27,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4286 states to 3892 states and 4286 transitions. [2018-12-01 20:10:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 4286 transitions. [2018-12-01 20:10:27,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 20:10:27,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 20:10:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 3893 states and 4287 transitions. [2018-12-01 20:10:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3893 states and 4287 transitions. [2018-12-01 20:10:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 20:10:28,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 20:10:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 3895 states and 4289 transitions. [2018-12-01 20:10:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 4289 transitions. [2018-12-01 20:10:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-01 20:10:29,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-01 20:10:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 3900 states and 4293 transitions. [2018-12-01 20:10:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4293 transitions. [2018-12-01 20:10:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-01 20:10:29,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-01 20:10:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 3916 states and 4312 transitions. [2018-12-01 20:10:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 4312 transitions. [2018-12-01 20:10:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:33,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 3928 states and 4325 transitions. [2018-12-01 20:10:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 4325 transitions. [2018-12-01 20:10:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:36,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:36,699 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 3939 states and 4336 transitions. [2018-12-01 20:10:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 4336 transitions. [2018-12-01 20:10:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:37,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:38,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 3949 states and 4345 transitions. [2018-12-01 20:10:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 3949 states and 4345 transitions. [2018-12-01 20:10:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:38,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4362 states to 3965 states and 4362 transitions. [2018-12-01 20:10:39,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3965 states and 4362 transitions. [2018-12-01 20:10:39,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:39,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:40,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:40,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 3969 states and 4366 transitions. [2018-12-01 20:10:40,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3969 states and 4366 transitions. [2018-12-01 20:10:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:40,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:42,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 3985 states and 4382 transitions. [2018-12-01 20:10:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3985 states and 4382 transitions. [2018-12-01 20:10:42,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-01 20:10:42,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-01 20:10:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 3986 states and 4382 transitions. [2018-12-01 20:10:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 3986 states and 4382 transitions. [2018-12-01 20:10:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-01 20:10:42,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-01 20:10:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4414 states to 4017 states and 4414 transitions. [2018-12-01 20:10:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 4414 transitions. [2018-12-01 20:10:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-01 20:10:44,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-01 20:10:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4023 states and 4419 transitions. [2018-12-01 20:10:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 4419 transitions. [2018-12-01 20:10:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-01 20:10:44,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-01 20:10:44,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:44,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4436 states to 4041 states and 4436 transitions. [2018-12-01 20:10:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 4436 transitions. [2018-12-01 20:10:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-01 20:10:44,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-01 20:10:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4063 states and 4457 transitions. [2018-12-01 20:10:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4063 states and 4457 transitions. [2018-12-01 20:10:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-12-01 20:10:45,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:45,454 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-12-01 20:10:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:45,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4069 states and 4462 transitions. [2018-12-01 20:10:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 4462 transitions. [2018-12-01 20:10:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-01 20:10:45,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-01 20:10:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 4084 states and 4477 transitions. [2018-12-01 20:10:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 4084 states and 4477 transitions. [2018-12-01 20:10:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-01 20:10:45,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-01 20:10:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4482 states to 4089 states and 4482 transitions. [2018-12-01 20:10:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 4482 transitions. [2018-12-01 20:10:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-01 20:10:46,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-01 20:10:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4488 states to 4095 states and 4488 transitions. [2018-12-01 20:10:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4488 transitions. [2018-12-01 20:10:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-01 20:10:46,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-01 20:10:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4108 states and 4500 transitions. [2018-12-01 20:10:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4108 states and 4500 transitions. [2018-12-01 20:10:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-01 20:10:46,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-12-01 20:10:47,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:47,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4119 states and 4511 transitions. [2018-12-01 20:10:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 4511 transitions. [2018-12-01 20:10:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-01 20:10:47,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-01 20:10:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4205 states and 4612 transitions. [2018-12-01 20:10:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 4612 transitions. [2018-12-01 20:10:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-01 20:10:55,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-01 20:10:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4231 states and 4638 transitions. [2018-12-01 20:10:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 4638 transitions. [2018-12-01 20:10:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-01 20:10:57,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-01 20:11:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:00,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4247 states and 4653 transitions. [2018-12-01 20:11:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 4653 transitions. [2018-12-01 20:11:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-01 20:11:00,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 591 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-01 20:11:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4263 states and 4670 transitions. [2018-12-01 20:11:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 4670 transitions. [2018-12-01 20:11:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-01 20:11:05,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-01 20:11:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4279 states and 4688 transitions. [2018-12-01 20:11:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 4688 transitions. [2018-12-01 20:11:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-01 20:11:06,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-01 20:11:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4704 states to 4295 states and 4704 transitions. [2018-12-01 20:11:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 4704 transitions. [2018-12-01 20:11:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-01 20:11:07,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-01 20:11:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4299 states and 4708 transitions. [2018-12-01 20:11:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 4708 transitions. [2018-12-01 20:11:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-01 20:11:07,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-01 20:11:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4303 states and 4712 transitions. [2018-12-01 20:11:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4712 transitions. [2018-12-01 20:11:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-12-01 20:11:08,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 634 proven. 103 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-12-01 20:11:15,973 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 20:11:16,577 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2018-12-01 20:11:21,129 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 20:11:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4768 states to 4348 states and 4768 transitions. [2018-12-01 20:11:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 4768 transitions. [2018-12-01 20:11:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-01 20:11:24,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-01 20:11:32,675 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2018-12-01 20:11:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 4396 states and 4831 transitions. [2018-12-01 20:11:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 4831 transitions. [2018-12-01 20:11:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-01 20:11:38,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-01 20:11:42,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 4420 states and 4859 transitions. [2018-12-01 20:11:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 4420 states and 4859 transitions. [2018-12-01 20:11:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-01 20:11:42,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-01 20:11:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4904 states to 4459 states and 4904 transitions. [2018-12-01 20:11:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 4459 states and 4904 transitions. [2018-12-01 20:11:45,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-12-01 20:11:45,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-01 20:11:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4471 states and 4915 transitions. [2018-12-01 20:11:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4471 states and 4915 transitions. [2018-12-01 20:11:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-01 20:11:46,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-01 20:11:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4486 states and 4932 transitions. [2018-12-01 20:11:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 4486 states and 4932 transitions. [2018-12-01 20:11:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-01 20:11:47,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-01 20:11:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4935 states to 4489 states and 4935 transitions. [2018-12-01 20:11:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 4935 transitions. [2018-12-01 20:11:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-01 20:11:48,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-01 20:11:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 4501 states and 4947 transitions. [2018-12-01 20:11:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 4501 states and 4947 transitions. [2018-12-01 20:11:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2018-12-01 20:11:49,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2018-12-01 20:11:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4950 states to 4504 states and 4950 transitions. [2018-12-01 20:11:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 4950 transitions. [2018-12-01 20:11:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-01 20:11:50,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-01 20:11:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4541 states and 4984 transitions. [2018-12-01 20:11:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 4984 transitions. [2018-12-01 20:11:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-01 20:11:50,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:51,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-01 20:11:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:51,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4546 states and 4988 transitions. [2018-12-01 20:11:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 4988 transitions. [2018-12-01 20:11:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-01 20:11:51,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-01 20:11:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 4560 states and 5001 transitions. [2018-12-01 20:11:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 4560 states and 5001 transitions. [2018-12-01 20:11:53,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-12-01 20:11:53,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-01 20:11:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5016 states to 4576 states and 5016 transitions. [2018-12-01 20:11:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 4576 states and 5016 transitions. [2018-12-01 20:11:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-12-01 20:11:54,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-01 20:11:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 4675 states and 5120 transitions. [2018-12-01 20:11:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4675 states and 5120 transitions. [2018-12-01 20:11:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-01 20:11:58,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2018-12-01 20:11:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:11:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5121 states to 4677 states and 5121 transitions. [2018-12-01 20:11:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 4677 states and 5121 transitions. [2018-12-01 20:11:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2018-12-01 20:11:58,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:11:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:11:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-01 20:12:00,424 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 20:12:02,591 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 20:12:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:05,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5142 states to 4699 states and 5142 transitions. [2018-12-01 20:12:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 5142 transitions. [2018-12-01 20:12:05,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-01 20:12:05,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:05,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-01 20:12:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 4729 states and 5180 transitions. [2018-12-01 20:12:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4729 states and 5180 transitions. [2018-12-01 20:12:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-01 20:12:15,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-01 20:12:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5184 states to 4733 states and 5184 transitions. [2018-12-01 20:12:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 4733 states and 5184 transitions. [2018-12-01 20:12:15,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-01 20:12:15,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-01 20:12:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 4762 states and 5217 transitions. [2018-12-01 20:12:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 4762 states and 5217 transitions. [2018-12-01 20:12:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-01 20:12:19,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-01 20:12:20,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 4766 states and 5221 transitions. [2018-12-01 20:12:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 4766 states and 5221 transitions. [2018-12-01 20:12:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2018-12-01 20:12:20,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2018-12-01 20:12:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 4778 states and 5232 transitions. [2018-12-01 20:12:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 5232 transitions. [2018-12-01 20:12:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2018-12-01 20:12:21,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 864 proven. 110 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2018-12-01 20:12:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:30,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 4814 states and 5273 transitions. [2018-12-01 20:12:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 5273 transitions. [2018-12-01 20:12:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2018-12-01 20:12:30,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 878 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 20:12:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 4828 states and 5286 transitions. [2018-12-01 20:12:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 5286 transitions. [2018-12-01 20:12:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-12-01 20:12:30,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:32,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2018-12-01 20:12:38,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5320 states to 4855 states and 5320 transitions. [2018-12-01 20:12:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 5320 transitions. [2018-12-01 20:12:38,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2018-12-01 20:12:38,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:38,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2018-12-01 20:12:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5324 states to 4858 states and 5324 transitions. [2018-12-01 20:12:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4858 states and 5324 transitions. [2018-12-01 20:12:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-12-01 20:12:39,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 1059 proven. 4 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-01 20:12:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:41,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 4854 states and 5319 transitions. [2018-12-01 20:12:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 5319 transitions. [2018-12-01 20:12:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-01 20:12:41,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-01 20:12:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 4875 states and 5345 transitions. [2018-12-01 20:12:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 4875 states and 5345 transitions. [2018-12-01 20:12:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2018-12-01 20:12:45,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2018-12-01 20:12:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5353 states to 4884 states and 5353 transitions. [2018-12-01 20:12:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4884 states and 5353 transitions. [2018-12-01 20:12:46,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-12-01 20:12:46,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 1014 proven. 4 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2018-12-01 20:12:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5400 states to 4932 states and 5400 transitions. [2018-12-01 20:12:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 5400 transitions. [2018-12-01 20:12:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-12-01 20:12:47,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2018-12-01 20:12:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5415 states to 4947 states and 5415 transitions. [2018-12-01 20:12:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4947 states and 5415 transitions. [2018-12-01 20:12:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-12-01 20:12:47,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2018-12-01 20:12:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5430 states to 4962 states and 5430 transitions. [2018-12-01 20:12:50,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4962 states and 5430 transitions. [2018-12-01 20:12:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2018-12-01 20:12:50,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-12-01 20:12:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5444 states to 4975 states and 5444 transitions. [2018-12-01 20:12:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 4975 states and 5444 transitions. [2018-12-01 20:12:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2018-12-01 20:12:51,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2018-12-01 20:12:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:52,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 4984 states and 5451 transitions. [2018-12-01 20:12:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 5451 transitions. [2018-12-01 20:12:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-12-01 20:12:52,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2018-12-01 20:12:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 4987 states and 5455 transitions. [2018-12-01 20:12:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4987 states and 5455 transitions. [2018-12-01 20:12:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-12-01 20:12:53,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2018-12-01 20:12:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 4993 states and 5461 transitions. [2018-12-01 20:12:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 4993 states and 5461 transitions. [2018-12-01 20:12:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2018-12-01 20:12:54,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:12:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:12:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2018-12-01 20:12:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:12:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3025 states and 3242 transitions. [2018-12-01 20:12:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3242 transitions. [2018-12-01 20:12:55,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 20:12:55,427 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 251 iterations. [2018-12-01 20:12:55,434 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 20:12:55,708 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-12-01 20:12:55,885 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-12-01 20:12:56,219 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 55 [2018-12-01 20:12:56,527 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2018-12-01 20:12:56,757 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-12-01 20:12:56,982 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2018-12-01 20:12:57,203 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 44 [2018-12-01 20:12:57,306 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2018-12-01 20:12:57,495 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-12-01 20:12:57,792 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 55 [2018-12-01 20:12:58,047 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 55 [2018-12-01 20:12:58,323 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-12-01 20:12:58,434 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2018-12-01 20:12:58,604 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2018-12-01 20:12:58,775 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-12-01 20:12:58,938 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-12-01 20:12:59,090 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:12:59,307 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-01 20:12:59,526 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-12-01 20:12:59,704 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 44 [2018-12-01 20:12:59,861 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:13:00,062 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2018-12-01 20:13:00,326 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 55 [2018-12-01 20:13:00,504 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 44 [2018-12-01 20:13:00,677 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 44 [2018-12-01 20:13:00,875 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 42 [2018-12-01 20:13:01,219 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2018-12-01 20:13:01,382 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2018-12-01 20:13:01,559 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2018-12-01 20:13:01,714 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:13:01,983 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 54 [2018-12-01 20:13:02,194 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 45 [2018-12-01 20:13:02,538 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-12-01 20:13:02,837 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 42 [2018-12-01 20:13:03,247 WARN L180 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-01 20:13:03,473 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 44 [2018-12-01 20:13:03,679 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-12-01 20:13:03,959 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 54 [2018-12-01 20:13:04,153 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 42 [2018-12-01 20:13:04,349 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 42 [2018-12-01 20:13:04,633 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 55 [2018-12-01 20:13:04,746 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2018-12-01 20:13:05,065 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-12-01 20:13:05,267 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:13:05,490 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 41 [2018-12-01 20:13:05,764 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2018-12-01 20:13:06,000 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 42 [2018-12-01 20:13:06,264 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 44 [2018-12-01 20:13:06,613 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 55 [2018-12-01 20:13:06,788 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2018-12-01 20:13:06,971 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-12-01 20:13:07,078 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2018-12-01 20:13:07,194 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2018-12-01 20:13:07,368 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 45 [2018-12-01 20:13:07,598 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2018-12-01 20:13:07,828 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-01 20:13:07,946 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2018-12-01 20:13:08,227 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 55 [2018-12-01 20:13:08,404 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 44 [2018-12-01 20:13:08,589 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2018-12-01 20:13:08,745 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:13:08,932 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 44 [2018-12-01 20:13:09,206 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 54 [2018-12-01 20:13:09,380 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-12-01 20:13:09,552 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:13:09,738 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2018-12-01 20:13:09,948 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 41 [2018-12-01 20:13:10,242 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 55 [2018-12-01 20:13:10,607 WARN L180 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 53 [2018-12-01 20:13:10,920 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 42 [2018-12-01 20:13:11,206 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 60 [2018-12-01 20:13:11,368 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2018-12-01 20:13:11,533 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-12-01 20:13:11,727 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 44 [2018-12-01 20:13:11,727 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 20:13:11,729 INFO L583 CodeCheckObserver]: Invariant with dag size 41 [2018-12-01 20:13:11,735 INFO L583 CodeCheckObserver]: Invariant with dag size 41 [2018-12-01 20:13:11,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:13:11 ImpRootNode [2018-12-01 20:13:11,737 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 20:13:11,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 20:13:11,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 20:13:11,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 20:13:11,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:06:24" (3/4) ... [2018-12-01 20:13:11,741 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 20:13:11,751 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-01 20:13:11,752 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 20:13:11,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 20:13:11,753 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 20:13:11,805 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eda3d91c-b80f-4b58-9dce-4a5de7ba676d/bin-2019/ukojak/witness.graphml [2018-12-01 20:13:11,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 20:13:11,806 INFO L168 Benchmark]: Toolchain (without parser) took 409128.86 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 957.1 MB in the beginning and 1.8 GB in the end (delta: -865.3 MB). Peak memory consumption was 875.4 MB. Max. memory is 11.5 GB. [2018-12-01 20:13:11,807 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:13:11,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-12-01 20:13:11,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 20:13:11,807 INFO L168 Benchmark]: Boogie Preprocessor took 28.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:13:11,807 INFO L168 Benchmark]: RCFGBuilder took 1026.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.8 MB in the end (delta: 224.9 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. [2018-12-01 20:13:11,808 INFO L168 Benchmark]: CodeCheck took 407661.53 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 886.8 MB in the beginning and 1.8 GB in the end (delta: -935.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-01 20:13:11,808 INFO L168 Benchmark]: Witness Printer took 68.13 ms. Allocated memory is still 2.8 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:13:11,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 391.3s OverallTime, 251 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1576965748 SDtfs, -692373708 SDslu, 730325768 SDs, 0 SdLazy, 360681304 SolverSat, 640006992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2059.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419860 GetRequests, 410483 SyntacticMatches, 7407 SemanticMatches, 1970 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2985006 ImplicationChecksByTransitivity, 342.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 66688 NumberOfCodeBlocks, 66688 NumberOfCodeBlocksAsserted, 250 NumberOfCheckSat, 66438 ConstructedInterpolants, 0 QuantifiedInterpolants, 78607244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 250 InterpolantComputations, 162 PerfectInterpolantSequences, 108113/109637 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 589]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a28 == 8 && !(a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a28 == 11))) || ((((a17 == 7 && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((a28 == 8 && !(a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || (((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a28 == 11))) || ((((a17 == 7 && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1026.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 886.8 MB in the end (delta: 224.9 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. * CodeCheck took 407661.53 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 886.8 MB in the beginning and 1.8 GB in the end (delta: -935.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 68.13 ms. Allocated memory is still 2.8 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...